smillmorel
612936a00b
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76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
"""Integration tests for OpenSees Example 3 cantilever build variants."""
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from __future__ import annotations
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import tempfile
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from pathlib import Path
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import pytest
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pytest.importorskip("openseespy")
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from otko.core import PushoverCase, TransientCase # noqa: E402
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from otko.services import load_project, save_project # noqa: E402
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from otko.services.opensees_runner import OpenSeesRunner # noqa: E402
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def _reload(proj, tmp_path, stem: str): # type: ignore[no-untyped-def]
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path = tmp_path / f"{stem}.osmodel"
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save_project(proj, path)
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reloaded = load_project(path)
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reloaded.validate_references()
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return reloaded
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@pytest.mark.parametrize(
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("builder_name", "module_name", "nonlinear"),
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[
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("build_ex3_canti2d_elastic_element", "examples.ex3_canti2d_elastic_element", False),
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("build_ex3_canti2d_inelastic_section", "examples.ex3_canti2d_inelastic_section", True),
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("build_ex3_canti2d_inelastic_fiber_section", "examples.ex3_canti2d_inelastic_fiber_section", True),
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],
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)
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def test_ex3_variant_pushover_runs(tmp_path, builder_name: str, module_name: str, nonlinear: bool) -> None: # type: ignore[no-untyped-def]
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mod = __import__(module_name, fromlist=[builder_name, "PUSH_STEP", "PUSH_TARGET"])
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proj = _reload(getattr(mod, builder_name)(), tmp_path, builder_name)
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push_case = next(c for c in proj.analyses if isinstance(c, PushoverCase))
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result = OpenSeesRunner(proj).run(push_case)
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expected_pts = int(mod.PUSH_TARGET / mod.PUSH_STEP) + 1
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assert len(result.control_disp) == expected_pts
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assert result.control_disp[-1] == pytest.approx(mod.PUSH_TARGET, rel=1e-6)
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assert max(result.base_shear) > 0.0
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early = (result.base_shear[5] - result.base_shear[0]) / (result.control_disp[5] - result.control_disp[0])
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late = (result.base_shear[-1] - result.base_shear[-6]) / (result.control_disp[-1] - result.control_disp[-6])
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if nonlinear:
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assert early > 2.0 * late
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else:
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assert early == pytest.approx(late, rel=0.02)
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@pytest.mark.parametrize(
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("builder_name", "module_name"),
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[
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("build_ex3_canti2d_elastic_element", "examples.ex3_canti2d_elastic_element"),
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("build_ex3_canti2d_inelastic_section", "examples.ex3_canti2d_inelastic_section"),
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("build_ex3_canti2d_inelastic_fiber_section", "examples.ex3_canti2d_inelastic_fiber_section"),
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],
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)
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def test_ex3_variant_earthquake_runs(tmp_path, builder_name: str, module_name: str) -> None: # type: ignore[no-untyped-def]
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mod = __import__(module_name, fromlist=[builder_name, "ANALYSIS_DT", "ANALYSIS_STEPS"])
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proj = _reload(getattr(mod, builder_name)(), tmp_path, f"{builder_name}_eq")
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eq_case = next(c for c in proj.analyses if isinstance(c, TransientCase))
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results_dir = Path(tempfile.mkdtemp(prefix=f"{builder_name}_"))
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result = OpenSeesRunner(proj).run(eq_case, results_dir=results_dir)
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time = result.time()
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top = result.node_disp_history(2)
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ux = top[:, 0]
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uy = top[:, 1]
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assert len(time) == mod.ANALYSIS_STEPS
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assert result.dt == pytest.approx(mod.ANALYSIS_DT)
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assert ux.max() > 1e-4
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assert ux.min() < -1e-4
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assert max(abs(uy)) < 1.0
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